/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.cadoc.cqe.logic;

/**
 * @author aalbert
 *
 * @param <S> The type of the Subject Variable
 * @param <C> The type of the Constraint Variable
 */
public abstract class Predicate <S extends Variable, C extends Variable> {

	private S subjectVariable;
	private C constraintVariable;
	private boolean not=false;
	
	/**
	 * 
	 */
	public Predicate(S subject, C constraint) {
		this.subjectVariable = subject;
		this.constraintVariable = constraint;
	}
	
	public void setSubjectVariable(S variable){
		this.subjectVariable = variable;
	}
	
	public S getSubjectVariable(){
		return subjectVariable;
	}
	
	public void setConstraintVariable(C variable){
		this.constraintVariable = variable;
	}
	
	public C getConstraintVariable(){
		return constraintVariable;
	}

	public boolean isNot() {
		return not;
	}

	public void setNot(boolean not) {
		this.not = not;
	}

	
}
